DATAJDBC-183 - Polishing.

Removed calls to System.out.
Formatting.
Import order.

src/main/java/org/springframework/data/jdbc/core/conversion/JdbcEntityWriter.java

@@ -78,13 +78,13 @@ public class JdbcEntityWriter extends JdbcEntityWriterSupport {
 			Update<Object> update = DbAction.update(o, propertyPath, dependingOn);
 			aggregateChange.addAction(update);
 
-			referencedEntities(o).forEach(
-					propertyAndValue -> insertReferencedEntities(propertyAndValue, aggregateChange, propertyPath.nested(propertyAndValue.property.getName()), update));
+			referencedEntities(o).forEach(propertyAndValue -> insertReferencedEntities(propertyAndValue, aggregateChange,
+					propertyPath.nested(propertyAndValue.property.getName()), update));
 		}
 	}
 
 	private void insertReferencedEntities(PropertyAndValue propertyAndValue, AggregateChange aggregateChange,
-										  JdbcPropertyPath propertyPath, DbAction dependingOn) {
+			JdbcPropertyPath propertyPath, DbAction dependingOn) {
 
 		Insert<Object> insert;
 		if (propertyAndValue.property.isQualified()) {
@@ -116,7 +116,7 @@ public class JdbcEntityWriter extends JdbcEntityWriterSupport {
 				.flatMap( //
 						p -> referencedEntity(p, persistentEntity.getPropertyAccessor(o)) //
 								.map(e -> new PropertyAndValue(p, e)) //
-				);
+		);
 	}
 
 	private Stream<Object> referencedEntity(JdbcPersistentProperty p, PersistentPropertyAccessor propertyAccessor) {
@@ -147,7 +147,7 @@ public class JdbcEntityWriter extends JdbcEntityWriterSupport {
 	}
 
 	private Stream<Object> collectionPropertyAsStream(JdbcPersistentProperty p,
-													  PersistentPropertyAccessor propertyAccessor) {
+			PersistentPropertyAccessor propertyAccessor) {
 
 		Object property = propertyAccessor.getProperty(p);
 
@@ -160,7 +160,9 @@ public class JdbcEntityWriter extends JdbcEntityWriterSupport {
 
 		Object property = propertyAccessor.getProperty(p);
 
-		if (property == null) return Stream.empty();
+		if (property == null) {
+			return Stream.empty();
+		}
 
 		// ugly hackery since Java streams don't have a zip method.
 		AtomicInteger index = new AtomicInteger();

src/test/java/org/springframework/data/jdbc/repository/JdbcRepositoryWithListsIntegrationTests.java

@@ -132,8 +132,6 @@ public class JdbcRepositoryWithListsIntegrationTests {
 
 		Iterable<DummyEntity> reloaded = repository.findAll();
 
-		reloaded.forEach(de -> System.out.println("id " + de.id + " content " + de.content.iterator().next().content));
-
 		assertThat(reloaded) //
 				.extracting(e -> e.id, e -> e.content.size()) //
 				.containsExactly(tuple(entity.id, entity.content.size()));

src/test/java/org/springframework/data/jdbc/repository/JdbcRepositoryWithMapsIntegrationTests.java

@@ -127,8 +127,6 @@ public class JdbcRepositoryWithMapsIntegrationTests {
 
 		Iterable<DummyEntity> reloaded = repository.findAll();
 
-		reloaded.forEach(de -> System.out.println("id " + de.id + " content " + de.content.values().iterator().next().content));
-
 		assertThat(reloaded) //
 				.extracting(e -> e.id, e -> e.content.size()) //
 				.containsExactly(tuple(entity.id, entity.content.size()));